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Rear End Door Window Defogger Wire
Inspection
NOTE:
• When cleaning rear end door window
glass, use a dry cloth to wipe it along heat
wire (1) direction.
• When cleaning glass, do not use detergent
or abrasive-containing glass cleaner.
• When measuring wire voltage, use a tester
with positive probe (2) wrapped with a tin
foil (3) which should be held down on wire
by finger pressure.
Wire Damage Inspection
1) Turn ignition switch to ON position.
2) Turn on defogger switch.
3) Measure voltage at the center of each defogger wire
(1), and check defogger wire condition according to
the following table.
If defogger wire open is found, go to next step.
Defogger wire voltage
Voltage
0 – 1 V
Defogger wire open between its center
and defogger wire power source terminal
end (2)
4 – 6 V
Normal condition
10 – 12 V Defogger wire open between its center
and defogger wire ground terminal end
(3)
3
4) Touch voltmeter negative (–) lead to defogger wire
ground terminal end (1).
S4RS0A9506017
I2RH01950002-
Circuit
1
2
I4RS0A950029-
Glass / Windows / Mirrors:
5) Touch voltmeter positive (+) lead with a foil strip to
defogger wire power source terminal end (2), then
move it along wire to defogger wire ground terminal
end (1).
The place where voltmeter fluctuates from 10 – 12 V
to 0 – 1 V is where there is open.
If found defective, repair defogger wire referring to
"Rear End Door Window Defogger Wire Repair: ".
1
Rear End Door Window Defogger Wire Repair
1) Use white gasoline for cleaning.
2) Apply masking tape (1) at both upper and lower
sides of heat wire (2) to be repaired.
3) Apply commercially-available repair agent (3) with a
fine-tip brush (4).
4) 2 to 3 minutes later, remove masking tapes (1).
5) Leave repaired heat wire as it is for at least 24 hours
before operating the defogger again.
9E-13
2
I4RS0A950030-
S4RS0A9506018
I2RH01950005-
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